Disproving Shankar's PQM Equations: Example 1.8.6 | Farside Physics

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The forum discussion centers on the critique of Shankar's "Principles of Quantum Mechanics," specifically Example 1.8.6 on page 46. The user argues that the movement equations presented by Shankar are incorrect and provides a link to an alternative source for comparison. The alternative source is noted for having fewer typographical errors and a more systematic approach, although both sources ultimately cover the same content.

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shankar "PQM" is wrong?

Shankar Principles of Quantum mechanics Pag 46: Example 1.8.6

The movement equations are in my opinion wrong.

Consider the following link for the same equations

http://farside.ph.utexas.edu/teaching/315/Waves/node17.html
 
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What's the difference ? Comparing quicly, it appears less typos in Shankar as well as a more systematic treatment, but they seem to start and end with the same.
 

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